HARDNESS: 6 – 7
DENSITY: 3,10 – 3,30 g/cm3.
EXFOLIATION- FRACTURE: Chipped
CRYSTALLIZATION: monoclinic, granulated aggregate, intergrown / fine fiber aggregates
TRANSPARENCY: Translucent, opaque
Jade is the name of mineral aggregates composed of jadeite, nephrite, or both. Jadeite is a pyroxene rich in aluminum and sodium, nephrite in an aggregate of microcrystalline interlaced calcium fibers, amphibole mineral rich in magnesium-iron. Jadeite can be translucent emerald green (Imperial Jade), it can also contain black, red, pink and violet. Nephrite, more common, usually has different shades of green and gray, occasionally yellow, brown or white.